Tecogen Inc.

Ownership Transactions Reported by 15 Insiders

Symbol
TGEN on OTC
Location
76 Treble Cove Road, Bldg. 1, North Billerica, MA

Insiders trading volume in the past year

Tecogen Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
John K. Whiting IV General Counsel & Secretary $3.57M Jul 24, 2025
Ann Marie Pacheco Trustee, 10%+ Owner $2.89M May 4, 2022
Abinand Rangesh Chief Executive Officer, Director, Chief Financial Officer $2.71M Jul 24, 2025
Ahmed Ghoniem Director $1.98M Jul 24, 2025
Angelina Galiteva Director $1.88M Jul 24, 2025
Earl R. Lewis Director $1.86M Jul 24, 2025
Albertine John M Director $1.46M Jul 24, 2025
Roger P. Deschenes Cao $1.38M Jul 24, 2025
Susan B. Hirsch Director $1.25M Jul 24, 2025
John Hatsopoulos Director $884K Sep 27, 2024
Stephen Lafaille VP of Business Development $659K -$272K -29.2% Jul 24, 2025
Robert A. Panora COO and President $247K -$545K -68.8% Jun 16, 2025
Fred Holubow Director $154K Jun 13, 2023
Ralph Jenkins Director $132K Jun 23, 2022
Locke M. Benjamin CEO, Director $4.62K Mar 16, 2022

Recent Insider Transactions by Companies or Individuals for Tecogen Inc.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.